Adding support for infinite nesting level in field configurations
Using the config array to determine the needed nesting levels, building the config tree based on that
Fixing wrong default value
Merge remote-tracking branch 'origin/master' into recursive_field_config
fixing CS problems
using getConfiguration and removing unnecessary end statements
Merge remote-tracking branch 'origin/master' into recursive_field_config

Conflicts:
	DependencyInjection/Configuration.php
Merge pull request #210 from liip-forks/recursive_field_config

Adding support for infinite nesting level in field configurations